JVC AV-34LS Service Manual page 41

BLOCK DIAGRAM
SCL
SDA
TU001
TUNER IF
AV-34LS-AU
ONLY
9,11
S-VIDEO V1-C
V1-Y
7
VIDEO
J801
V1-V
VIDEO-1
AUDIO L/MONO 8
V1-L
INPUT
10
AUDIO R
V1-R COUT1
3
V/Y YOUT1
V2-Y
C
B
J802,J803
IC801
C
COMPONENT
R VIDEO SW
(VIDEO-2)
2
AUDIO L/MONO
INPUT
V2-L
4
AUDIO R
V2-R
MTV-V
37
VIDEO OUT
Vout2
36
AUDIO L
J804
Lout2
OUTPUT
35
AUDIO R
Rout2
MTV-R
43
V3-V
MTV-L
44
L3-L
42
L3-R
Lout1
Rout1
19
Yin1 Vout1
FRONT CONTROL PWB (1/2)
VIDEO
J303
AUDIO L/MONO
FRONT IN
(VIDEO-3)
AUDIO R
TV/VIDEO VOL+ VOL- CH+
REMOCON POWER
RECEIVER LED
S901
F901
AC IN
POWER SW
AV-34LS
AV-34LH
28
SIF IN1
SF101
29
FILTER
SIF IN2
23
IF IN1
SF102
24
FILTER
IF IN2
29,30 2,3
SCL
SCL,SDA
SDA
62,63
5,6
IC702 SCL1
SDA1
EEPROM
25
1
16 43
CIN
IC301
COMB
27 3 42
14
CVBS/YIN
FILTER
47
Y
48
C
B
U
46
C
R
V
Q108
CF104,105
13
CF103
BUF 5.5 TRAP
6.0 TRAP
6.5 TRAP
Q111
CF106
BUF
TRAP
15
14
26
24
23
Rout1
Lout1
KEY_IN
REMOTE, LED
D901
CH- MENU RECT
POWER
No.51854
AV-34LX AV-34LS AV-34LX
AV-3408TEE AV-34LH AV-3408TEE
51
R
ROUT
52 G
GOUT
B
53
BOUT
AV-34LS,AV-34LH,
IC701
AV-34LS-AU
V/C DEF.
PROCESSOR
QSS OUT
35
BUF
Q150
VDRB(-) 21,22
VDRA(+)
33
HOUT
CF140
5.5 FILTER
38
IF VOUT
CF141
6.0 FILTER
7 10
Q104
CF142
64
6.5 FILTER
BUF
Q130
Q109
BUF
BUF
SCL
SDA
IC602
32
SOUND
PROCESSOR
1
IC401
VERT OUT
Q522
H. OUT
IC972
3.3V REG
IC973
12V REG
T901
SW
TRANSF.
IC974
REG
L951
PC901 IC951
IC901
VOLTAGE ERROR
REG FEEDBACK AMP
2-3 2-4
MAIN PWB
SCL
SDA
26,27
40
Lout1 IC601
41
MULTI SOUND
30,31
Rout1
PROCESSOR
2
AV-34LX, AV-34LX-A,
AV-3408TEE
Q136 Q137
11 IC130
10
PIF/SIF
BUF BUF
DETECTOR
BUF
Q132
CF130
FILTER
L, R
L_VOL, R_VOL
20 5 7
IC665 IC650
12 2 12
FILTER
AUDIO AMP
AV-34LS,AV-34LH,
AV-34LS-AU ONLY
3.3V_STB
12V
FOCUS1
5V
T551 FOCUS2
8V
9V
FBT
SCREEN
32V
B1
EHV
No.51854
CRT SOCKET PWB
IC101
V01
VIDEO AMP
VM
VM OUT
FRONT CONTROL
J801
PWB (2/2)
HEADPHONE
JACK
SP
L
SP
R
V
H
DY01
DEF YOKE